27231028 has 24 divisors (see below), whose sum is σ = 54724320. Its totient is φ = 11725920.

The previous prime is 27231023. The next prime is 27231031. The reversal of 27231028 is 82013272.

It is a junction number, because it is equal to n+sod(n) for n = 27230993 and 27231011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27231023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15451 + ... + 17122.

It is an arithmetic number, because the mean of its divisors is an integer number (2280180).

Almost surely, 2^27231028 is an apocalyptic number.

It is an amenable number.

27231028 is an abundant number, since it is smaller than the sum of its proper divisors (27493292).

27231028 is a wasteful number, since it uses less digits than its factorization.

27231028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32607 (or 32605 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 27231028 is about 5218.3357500261. The cubic root of 27231028 is about 300.8532302856.

The spelling of 27231028 in words is "twenty-seven million, two hundred thirty-one thousand, twenty-eight".